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add color band for tolerance #26

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merged 4 commits into from
Jun 12, 2024
Merged

add color band for tolerance #26

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c7d509c
add resistor tolerance color banding
Jun 10, 2024
b2505db
Update README.md
jx2014 Jun 10, 2024
773d826
Merge branch 'main' into main
Finomnis Jun 10, 2024
a1a9746
Refactor resistor tolerance values
Finomnis Jun 11, 2024
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75 changes: 55 additions & 20 deletions LabelGenerator.py
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@
import math
import sys

from typing import Tuple, Union, Optional, List
from typing import Tuple, Union, Optional, List, Mapping

ResistorList = List[Union[Optional[float], List[Optional[float]]]]

Expand Down Expand Up @@ -222,19 +222,33 @@ def format_value(self) -> str:

def resistor_color_table(num: int) -> HexColor:
return [
HexColor("#000000"),
HexColor("#964B00"),
HexColor("#FF3030"),
HexColor("#FFA500"),
HexColor("#FFFF00"),
HexColor("#00FF00"),
HexColor("#0000FF"),
HexColor("#C520F6"),
HexColor("#808080"),
HexColor("#FFFFFF"),
HexColor("#000000"), # black
HexColor("#964B00"), # brown
HexColor("#FF3030"), # red
HexColor("#FFA500"), # orange
HexColor("#FFFF00"), # yellow
HexColor("#00FF00"), # green
HexColor("#0000FF"), # blue
HexColor("#C520F6"), # violet
HexColor("#808080"), # grey
HexColor("#FFFFFF"), # white
][num]


def tolerance_color_table(tolerance_value: Optional[float]) -> int:
tolerance_colors: Mapping[Optional[float], int] = {
1: 1, # brown
2: 2, # red
0.5: 5, # green
0.25: 6, # blue
0.1: 7, # violet
5: -1, # gold
10: -2, # silver
}

return tolerance_colors.get(tolerance_value, -3)


def draw_fancy_resistor_stripe(
c: Canvas,
x: float,
Expand Down Expand Up @@ -315,7 +329,8 @@ def draw_resistor_colorcode(
y: float,
width: float,
height: float,
num_codes: int
num_codes: int,
tolerance_value: Optional[float],
) -> None:

if value.ohms_exp < num_codes - 4:
Expand Down Expand Up @@ -364,7 +379,7 @@ def draw_resistor_colorcode(
y + border,
stripe_width,
height - 2 * border,
-3)
tolerance_color_table(tolerance_value))

c.setFillColor(black)
c.setStrokeColor(black, 1)
Expand Down Expand Up @@ -480,7 +495,8 @@ def draw_resistor_sticker(
column: int,
ohms: float,
draw_center_line: bool,
mirror: bool
mirror: bool,
tolerance: Optional[float],
) -> None:
with StickerRect(c, layout, row, column, mirror) as rect:

Expand Down Expand Up @@ -525,14 +541,14 @@ def draw_resistor_sticker(
rect.left + rect.width/2,
rect.bottom + rect.height/4 - rect.height/45,
rect.width/4, rect.height/4,
3)
3, tolerance)

draw_resistor_colorcode(c, resistor_value,
toColor("hsl(197, 59%, 100%)"), toColor("hsl(197, 59%, 73%)"),
rect.left + rect.width * 0.75,
rect.bottom + rect.height/4 - rect.height/45,
rect.width/4, rect.height/4,
4)
4, tolerance)

c.setFont('Arial Bold', smd_font_size * 1.35)
c.drawString(rect.left + rect.width/2 + rect.width/32, rect.bottom +
Expand All @@ -557,9 +573,10 @@ def render_stickers(
c: Canvas,
layout: PaperConfig,
values: ResistorList,
tolerance: Optional[float],
draw_outlines: bool,
draw_center_line: bool,
draw_both_sides: bool
draw_both_sides: bool,
) -> None:
def flatten(elem: Union[Optional[float], List[Optional[float]]]) -> List[Optional[float]]:
if isinstance(elem, list):
Expand All @@ -586,9 +603,9 @@ def flatten(elem: Union[Optional[float], List[Optional[float]]]) -> List[Optiona
begin_page(c, layout, draw_outlines)

if value is not None:
draw_resistor_sticker(c, layout, rowId, columnId, value, draw_center_line, False)
draw_resistor_sticker(c, layout, rowId, columnId, value, draw_center_line, False, tolerance)
if draw_both_sides:
draw_resistor_sticker(c, layout, rowId, columnId, value, False, True)
draw_resistor_sticker(c, layout, rowId, columnId, value, False, True, tolerance)

# End the page one final time
end_page(c)
Expand Down Expand Up @@ -689,6 +706,23 @@ def main() -> None:
# ############################################################################
# resistor_values: ResistorList = [ 0, 0.01 ] + generate_values(E24_COMMON_VALUES, 0, 6)

# ############################################################################
# Resistor tolerance.
#
# Enable this if you want a specific tolerance value to be shown on
# the resistors.
#
# 1: 1% brown
# 2: 2% red
# 0.5: 0.5% green
# 0.25: 0.25% blue
# 0.1: 0.1% violet
# 5: 5% gold
# 10: 10% silver
# ############################################################################
tolerance_value = None
# tolerance_value = 1 # in percentage

# ############################################################################
# Further configuration options
#
Expand Down Expand Up @@ -719,7 +753,8 @@ def main() -> None:
c = Canvas("ResistorLabels.pdf", pagesize=layout.pagesize)

# Render the stickers
render_stickers(c, layout, resistor_values, draw_outlines, draw_center_line, draw_both_sides)
render_stickers(c, layout, resistor_values, tolerance_value,
draw_outlines, draw_center_line, draw_both_sides)

# Store canvas to PDF file
c.save()
Expand Down
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